Title:
RING-OPENED COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2021/125222
Kind Code:
A1
Abstract:
Provided is a ring-opened copolymer containing a structural unit derived from a norbornene compound represented by general formula (I), a structural unit derived from a monocyclic olefin, and a branched structural unit, wherein the content ratio of the branched structural unit in all of the repeating structural units in the ring-opened copolymer is 0.005 to 0.08 mol%. (In general formula (I), R1 to R4 independently represent a hydrogen atom, a linear saturated hydrocarbon group having 1 to 20 carbon atoms, or a substituent containing a halogen atom, a silicon atom, an oxygen atom or a nitrogen atom; and m represents 0 or 1.)
Inventors:
SAKURAI TAKURO (JP)
Application Number:
PCT/JP2020/046943
Publication Date:
June 24, 2021
Filing Date:
December 16, 2020
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
C08G61/08; C08L21/00; C08L65/00
Domestic Patent References:
| WO2018079602A1 | 2018-05-03 | |||
| WO2014133028A1 | 2014-09-04 | |||
| WO2014133028A1 | 2014-09-04 |
Foreign References:
| JP2019081840A | 2019-05-30 | |||
| JP2011126966A | 2011-06-30 | |||
| JP2011126966A | 2011-06-30 | |||
| JPH06248116A | 1994-09-06 |
Other References:
See also references of EP 4079781A4
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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